Home / 199,308.56-298,962.84-136,789.52

Finding the Fourth Proportional to 199,308.56, 298,962.84 and 136,789.52

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Solution

The fourth proportional to 199,308.56, 298,962.84 and 136,789.52 is: 205,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308.56 : 298,962.84 = 136,789.52 : x
  2. Step 2: Convert to fraction form
    199,308.56/298,962.84 = 136,789.52/x
  3. Step 3: Cross multiply
    199,308.56x = 298,962.84 × 136,789.52
  4. Step 4: Simplify right side
    199,308.56x = 40,894,983,381.44
  5. Step 5: Solve for x
    x = 40,894,983,381.44/199,308.56
  6. Step 6: Final answer
    x = 205,184.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.